# -*- coding: utf-8 -*-

#
# peerscape.http.controllers.getall
#
# Copyright 2008 Helsinki Institute for Information Technology
# and the authors.
#
# Authors:
#       Konrad Markus <konrad.markus@hiit.fi>
#

# Permission is hereby granted, free of charge, to any person
# obtaining a copy of this software and associated documentation files
# (the "Software"), to deal in the Software without restriction,
# including without limitation the rights to use, copy, modify, merge,
# publish, distribute, sublicense, and/or sell copies of the Software,
# and to permit persons to whom the Software is furnished to do so,
# subject to the following conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
# IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
# CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

import logging

from webob import Response
from webob.exc import HTTPBadRequest, HTTPNotFound, HTTPOk

from peerscape.lib import json
from peerscape.http.controllers import BaseController

class Getall(BaseController):
    def index(self, req):
        db = req.environ['peerscape.db']
        iid = req.urlvars.get('peerscape.hexlabel')
        path = req.urlvars.get('peerscape.path')

        if not iid or not path:
            return HTTPBadRequest()

        path = '/'+path
        
        value = None
        dom_cipher = None
        if req.params.get('auto_crypt'):
            try:
                dom_cipher = db.get_group_cipher(iid)
            except LookupError:
                assert dom_cipher == None
                pass

        if req.GET.get('dict'):
            # get all the values below the given path and return a json list/dict
            ret = None
            try:
                ret = {}
                sub_paths = db.list(iid, path)
                for p in sub_paths:
                    if path.endswith('/'):
                        full_path = path+p
                    else:
                        full_path = path+'/'+p

                    value = db.get(iid, full_path, cipher=dom_cipher)
                    if value:
                        if p[-5:] == '.json' or req.GET.get('json'):
                            ret[full_path] = json.loads(value.decode('utf-8'))
                        else:
                            ret[full_path] = value

                ret = json.dumps(ret)
            except:
                logging.exception('getall: error.')
                return HTTPBadRequest()
        else:
            # get all the values below the given path and return a json list/dict
            ret = None
            try:
                ret = []
                sub_paths = db.list(iid, path)
                for p in sub_paths:
                    if path.endswith('/'):
                        full_path = path+p
                    else:
                        full_path = path+'/'+p

                    value = db.get(iid, full_path, cipher=dom_cipher)
                    if value:
                        if p[-5:] == '.json':
                            ret.append(json.loads(value.decode('utf-8')))
                        else:
                            ret.append(value)

                ret = json.dumps(ret)
            except:
                logging.exception('getall: error.')
                return HTTPBadRequest()

        #[TODO: encoding, mimetype?]
        if ret:
            res = HTTPOk()
            res.content_type = 'application/json'
            if req.GET.has_key('jsonp'):
                res.body = '%s(%s)' % (req.GET['jsonp'], ret)
            else:
                res.body = ret
            return res
        else:
            return HTTPNotFound()
            
